

package com.hazelcast.map.impl.operation;

import com.hazelcast.internal.serialization.Data;
import com.hazelcast.map.impl.MapDataSerializerHook;
import com.hazelcast.map.impl.operation.steps.engine.State;
import com.hazelcast.map.impl.recordstore.StaticParams;
import com.hazelcast.spi.impl.operationservice.MutatingOperation;

public class ReplaceOperation extends BasePutOperation implements MutatingOperation {

    private boolean successful;

    public ReplaceOperation(String name, Data dataKey, Data value) {
        super(name, dataKey, value);
    }

    public ReplaceOperation() {
    }

    @Override
    protected void runInternal() {
        Object oldValue = recordStore.replace(dataKey, dataValue);
        this.oldValue = mapServiceContext.toData(oldValue);
        successful = oldValue != null;
    }

    @Override
    protected StaticParams getStaticParams() {
        return StaticParams.REPLACE_PARAMS;
    }

    @Override
    public void applyState(State state) {
        super.applyState(state);
        successful = state.getOldValue() != null;
    }

    @Override
    public boolean shouldBackup() {
        return successful && super.shouldBackup();
    }

    public void setSuccessful(boolean successful) {
        this.successful = successful;
    }

    @Override
    public void afterRunInternal() {
        if (successful) {
            super.afterRunInternal();
        }
    }

    @Override
    public Object getResponse() {
        return oldValue;
    }

    @Override
    public int getClassId() {
        return MapDataSerializerHook.REPLACE;
    }
}
